Pyrazolo[1,5-a]pyridine-2-carboxylic Acid CAS 63237-88-7
| CAS No. | 63237-88-7 |
| Molecular Formula | C8H6N2O2 |
| Molecular Weight | 162.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Pyrazolo[1,5-a]pyridine-2-carboxylic Acid (C8H6N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies Pyrazolo[1,5-a]pyridine-2-carboxylic Acid (CAS 63237-88-7), a certified reference material (molecular formula C8H6N2O2, MW 162.15 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures Pyrazolo[1,5-a]pyridine-2-carboxylic Acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H6N2O2 |
| Molecular Weight | 162.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 2 |
Related Pyrazolo Standards
- 1H-Pyrazolo[3,4-b]pyridine-6-carboxamide (CAS 116855-16-4)
- 2H-pyrazolo[3,4-b]pyridine-3-carboxamide (CAS 1245645-04-8)
- Pyrazolo[1,5-a]pyrimidine-2-carboxamide (CAS 1340886-10-3)
- 1H-Pyrazolo[3,4-c]pyridine-3-carboxamide (CAS 1427502-31-5)
- Pyrazolo[1,5-a]pyridine-3-carboxylic Acid (CAS 16205-46-2)
- 1-(1H-Pyrazolo[3,4-b]pyrazin-1-yl)ethanone (CAS 19868-87-2)
- Pyrazolo[1,5-a]pyridine-4-carboxylic Acid (CAS 55899-41-7)
- Pyrazolo[1,5-a]pyridine-7-carboxylic Acid (CAS 474432-62-7)
Recommended Standards
- Minodronic Acid Impurity 25 (CAS 64951-08-2)
- Methyl 6-ethynylpyridazine-3-carboxylate (CAS 2098038-93-6)
- Methyl 6-Cyanopyridine-3-carboxylate (CAS 89809-65-4)
- Pyrazolo[1,5-a]pyrimidine-3-carboxamide (CAS 774549-55-2)
- 1,2-Bis({4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl})ethan-1-one (CAS 400088-71-3)
- 5-(2-Acetoxyethyl)-2-fluoro-4-methylthiazole (CAS 69242-99-5)
- 4’-Ethyl-2-hydroxyacetophenone (CAS 103323-24-6)
- 6-Amino-1H-indazole (CAS 6967-12-0)
- Tirofiban Impurity 123 HCl (CAS CATO-C4X-1254123)
- 6,6'-(Ethane-1,2-diyl)bis(3-aminobenzenesulfonic acid) (CAS 5136-34-5)
- N'-[(1Z)-3-Oxo-2,3-dihydro-1H-inden-1-ylidene]benzohydrazide (CAS 389611-11-4)
- Ethyl 5-amino-1-(3-chlorophenyl)-1H-1,2,3-triazole-4-carboxylate (CAS 28924-60-9)
- 4-((4-Chlorobenzyl)oxy)thiomorpholine 1,1-dioxide (CAS 477889-69-3)
- Des-Ser39-Tirzepatide (CAS CATO-CPTD788936)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com